configure.ac: use consistent x${VAR} = x${VALUE} test

May as well do it the same way throughout.

Signed-off-by: Sam James <sam@gentoo.org>

diff --git a/configure.ac b/configure.ac
index 013c46c88262740bc2ec47e34ed71bb43b9895c9..9018645ebaf8deca61254097f28acadae076c964 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -38,8 +38,8 @@ case "${host_os}" in
        ;;
 esac
 
-AM_CONDITIONAL([LINUX], [test "${build_linux}" = "yes" ])
-AM_CONDITIONAL([SUNOS], [test "${build_sunos}" = "yes" ])
+AM_CONDITIONAL([LINUX], [test "x${build_linux}" = "xyes" ])
+AM_CONDITIONAL([SUNOS], [test "x${build_sunos}" = "xyes" ])
 AM_COND_IF([SUNOS],
       CFLAGS="$CFLAGS -DSOL2 -DSRV4")
 
@@ -171,7 +171,7 @@ AC_ARG_ENABLE([plugins],
     AS_HELP_STRING([--disable-plugins], [Disable support for loadable plugins]))
 AS_IF([test "x$enable_plugins" != "xno"],
     AC_DEFINE([PPP_WITH_PLUGINS], 1, [Have support for loadable plugins]))
-AM_CONDITIONAL(PPP_WITH_PLUGINS, test "${enable_plugins}" != "no")
+AM_CONDITIONAL(PPP_WITH_PLUGINS, test "x${enable_plugins}" != "xno")
 
 #
 # Disable EAP-TLS support
@@ -226,7 +226,7 @@ AC_SUBST(PPPD_LOGFILE_DIR)
 #
 # Check for OpenSSL
 AX_CHECK_OPENSSL
-AM_CONDITIONAL(WITH_OPENSSL, test "${with_openssl}" != "no")
+AM_CONDITIONAL(WITH_OPENSSL, test "x${with_openssl}" != "xno")
 
 #
 # Check if OpenSSL has compiled in support for various ciphers
@@ -258,7 +258,7 @@ AM_COND_IF([OPENSSL_HAVE_DES],,
 
 #
 # If OpenSSL doesn't support DES, then use the one from libcrypt (glibc dropped support for this in 2.27).
-AS_IF([test "${ac_cv_openssl_des}" = "no" ], [
+AS_IF([test "x${ac_cv_openssl_des}" = "xno" ], [
     AC_CHECK_LIB([crypt], [encrypt],
         [LIBS="$LIBS -lcrypt"],
         [AC_MSG_ERROR([OpenSSL not found or does not support DES, and libcrypt also doesn't support encrypt])]